package com.cxf.windex.base.util;

import net.coobird.thumbnailator.Thumbnails;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

/**
 * @program: cxf-bmrt
 * @description: 图片压缩
 * @author: chenxf
 * @create: 2018-08-22 11:59
 **/
public class ThumbnailsUtil {

    /**
     * 下载文件到本地
     *
     * @param urlString
     *          被下载的文件地址
     * @param filename
     *          本地文件名
     * @throws Exception
     *           各种异常
     */
    public static void download(String urlString, String filename) throws Exception {
        // 构造URL
        URL url = new URL(urlString);
        // 打开连接
        URLConnection con = url.openConnection();
        // 输入流
        InputStream is = con.getInputStream();
        // 1K的数据缓冲
        byte[] bs = new byte[1024];
        // 读取到的数据长度
        int len;
        // 输出的文件流
        OutputStream os = new FileOutputStream(filename);
        // 开始读取
        while ((len = is.read(bs)) != -1) {
            os.write(bs, 0, len);
        }
        // 完毕，关闭所有链接
        os.close();
        is.close();
    }

    public static void main(String[] args){
        try {
            download("http://car2.autoimg.cn/cardfs/series/g26/M0B/AE/B3/100x100_f40_autohomecar__wKgHEVs9u5WAV441AAAKdxZGE4U148.png", "d:/upload/carlogo/audi.png");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
